Submission #1117602

#	Time	Username	Problem	Language	Result	Execution time	Memory
1117602		vjudge1	괄호 문자열 (CEOI16_match)	C++17	0 / 100	1 ms	336 KiB

match

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define endl "\n"

using namespace std;
using namespace __gnu_pbds;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T, typename key = less_equal<T>>
using ordered_set = tree<T, null_type, key, rb_tree_tag, tree_order_statistics_node_update>;

void solve()
{
    string s;
    cin >> s;
    ll n = s.size();
    string b(n, '(');
    stack<ll> st;
    for (ll i = 0; i < n; i++)
        if (st.empty()) b[i] = '(', st.push(i);
        else if (s[st.top()] == s[i]) b[i] = ')', st.pop();
        else b[i] = '(', st.push(i);
    if (st.size() > 0) b = "-1";
    cout << b << endl;
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    ll t = 1;   
    // precomp();
    // cin >> t;
    for (ll cs = 1; cs <= t; cs++)
        solve();
    // cerr << "\nTime elapsed: " << clock() * 1000.0 / CLOCKS_PER_SEC << " ms\n";
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 27
• Subtask 3: 0 / 63